Home / 23,389.62-32,278.14-12,779.91

Finding the Fourth Proportional to 23,389.62, 32,278.14 and 12,779.91

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Solution

The fourth proportional to 23,389.62, 32,278.14 and 12,779.91 is: 17,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.62 : 32,278.14 = 12,779.91 : x
  2. Step 2: Convert to fraction form
    23,389.62/32,278.14 = 12,779.91/x
  3. Step 3: Cross multiply
    23,389.62x = 32,278.14 × 12,779.91
  4. Step 4: Simplify right side
    23,389.62x = 412,511,724.17
  5. Step 5: Solve for x
    x = 412,511,724.17/23,389.62
  6. Step 6: Final answer
    x = 17,636.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.